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Title of Journal: J Mater Sci Mater Med

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Abbravation: Journal of Materials Science: Materials in Medicine

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Springer US

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DOI

10.1007/bf03243259

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1573-4838

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Fabrication of bioactive hydroxyapatite/bisGMA ba

Authors: J Suwanprateeb R Sanngam W Suwanpreuk
Publish Date: 2008/01/16
Volume: 19, Issue: 7, Pages: 2637-2645
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Abstract

Hydroxyapatite/bisGMA composites were processed by new technique which comprised three dimensional printing 3DP of hydroxyapatite and then impregnation by bisGMA based resin Two types of composites which used either asfabricated green 3DP samples or 1300°C sintered 3DP samples were studied It was found that both 3DP composites have higher flexural modulus strength and strain at break than the initial 3DP hydroxyapatite sample Composites produced from sintered sample has higher hydroxyapatite content higher density and greater modulus but lower strength and strain at break than composite produced from green 3DP sample In vitro toxicity shows that 3DP hydroxyapatite/bisGMA based composites are nontoxic Osteoblast cells were observed to attach and attain normal morphology on the surface of composites

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